HC55121IBZ Intersil, HC55121IBZ Datasheet - Page 11

• Manufacturer Part Number: HC55121IBZ
• Manufacturer: Intersil

Specifications of HC55121IBZ

• Number Of Channels: 1
• On-hook Transmission: Yes
• Polarity Reversal: Yes
• On-chip Ring Relay Driver: Yes
• Longitudinal Balanced: 53
• Operating Supply Voltage (typ): 5V
• Operating Temp Range: -40C to 85C
• Loop Current Limit: 30mA
• Operating Temperature Classification: Industrial
• Pin Count: 28
• Mounting: Surface Mount
• Operating Current: 2.7mA
• Operating Supply Voltage (max): 5.25V
• Operating Supply Voltage (min): 4.75V
• Lead Free Status / RoHS Status: Compliant

Electrical Specifications
RING RELAY DRIVER
V
V
Off State Leakage Current
TEST RELAY DRIVER (TRLY1, TRLY2)
V
V
Off State Leakage Current
DIGITAL INPUTS (C1, C2, C3, C4, C5)
Input Low Voltage, V
Input High Voltage, V
Input Low Current, I
Input High Current, I
DETECTOR OUTPUTS (SHD, GKD_LVM)
SHD Output Low Voltage, V
Forward, Reverse
SHD Output High Voltage, V
Forward, Reverse
GKD_LVM Output Low Voltage,
V
GKD_LVM Output High Voltage,
V
Internal Pull-Up Resistor
SAT
SAT
SAT
SAT
OL
OH
Forward and Tip Open
Forward and Tip Open
at 30mA
at 40mA
at 30mA
at 40mA
PARAMETER
IL
IH
IL
IH
OL
OH
T
R
applies to the part. (NA) symbol used to indicate the test does not apply to the part. (Continued)
A
OH
I
I
V
I
I
V
V
V
I
I
I
R
I
OL
OL
OL
OL
OL
OH
OL
OH
= -40°C to 85°C, V
OH
OH
IL
IH
1
= 40kΩ, C
= 2.5kΩ (Figure 11)
= 0.4V
= 30mA
= 40mA
= 30mA
= 40mA
= 1mA
= 1mA
= 2.5V
= 100
= 100
= 13.2V
= 13.2V
µ
µ
TEST CONDITIONS
A
A
H
= 0.1µF, C
CC
= +5V ±5%, V
DC
= 4.7µF, C
BH
FIGURE 12. GROUND KEY DETECT
RT/REV
= -48V, V
MIN
2.0
2.7
2.7
0
-
-
-
-
-
-
-
-
-
-
-
2.5kΩ
= 0.47µF, GND = 0V, RL = 600Ω. Unless Otherwise Specified.
BL
0.52
0.65
TYP
0.2
0.1
0.3
25
15
-
-
-
-
-
-
-
-
= -24V, PTG = Open, R
TIP
RING
MAX
V
0.5
0.8
0.5
1.3
0.8
-10
0.5
0.5
10
10
50
CC
-
-
-
VRX
V
SHD
TX
UNITS
µA
µA
µA
µA
kΩ
V
V
V
V
V
V
V
V
V
V
P1
= R
P2
HC55120
Forward
Forward
GKD
GKD
Only
Only
= 0Ω, Z
NA
NA
NA
•
•
•
•
•
•
•
•
T
= 120kΩ, R
HC55121
GKD
GKD
NA
NA
NA
•
•
•
•
•
•
•
•
•
•
HC55130/1 HC55140/1 HC55142/3 HC55150/1
LIM
Forward
Forward
NA/
NA/
NA/
Only
Only
NA
NA
= 38.3kΩ, R
(•)
•
•
•
•
•
•
•
•
•
•
•
Symbol used to indicate the test
GKD_
GKD_
NA/
NA/
NA/
LVM
LVM
D
•
•
•
•
•
•
•
•
•
•
= 50kΩ, RDC_RAC = 20kΩ,
•
•
•
GKD_
GKD_
NA/
NA/
NA/
LVM
LVM
•
•
•
•
•
•
•
•
•
•
•
•
•
NA/
NA/
NA/
LVM
LVM
•
•
•
•
•
•
•
•
•
•
•
•
•